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Home >> Oldsmobile >> 1984 >> Cutlass Cruiser 2.5 R >> Repair and Diagnosis >> Engine Performance >> System >> 3.0L/3.8L PFI Tests >> Testing >> Code 51, Prom Failure

Code 51, Prom Failure

Check that all pins are fully inserted in the socket. If okay, clear memory and recheck. If CODE 51 resets, replace ECM.

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